Question

найти значения выражения 1-(1-√5)в квадрате

Answer 1

$1 - (1- sqrt{5} )^2 1 - (1 - 2sqrt{5} +5) 1 - (6 - 2sqrt{5} ) 1 - 6 + 2sqrt{5} -5 + 2sqrt{5}$

Answer 2

1-1(1-√5)^2

Answer 3

1-(1-2√5+5)

Answer 4

1-(6-2√5)

Answer 5

1-6+2√5

Answer 6

-5+2√5

Answer 7

1-(1-√5)в квадрате
1-(1-2 √5+5).
1-1+2√5-5=2√5-5